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Home Product M3x4 Cylindrical Head Hex Socket Screws DIN 912 Stainless Steel Fasteners Hexagon Socket Cap Bolts
Cylindrical head hexagon socket screws M3*4

M3x4 Cylindrical Head Hex Socket Screws DIN 912 Stainless Steel Fasteners Hexagon Socket Cap Bolts

M3x4 hex socket screws
Cylindrical Allen screw M3x4
Metric socket head cap screw M3x4
Cylindrical head hexagon socket screws M3*4
Cylindrical Allen screw M3x4, also known as Metric socket head cap screw M3x4. These M3x4 hex socket screws feature a low-profile cylindrical head design for space-constrained applications, requiring standard hex keys for precise installation and secure fastening in mechanical assemblies.
Categories:Fasteners & Fixings
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Product Description

The Cylindrical head hexagon socket screws M3x4, also known as Cylindrical Allen screw M3x4 or Metric socket head cap screw M3x4, is a precision fastener designed for compact assemblies. With a 3mm diameter and 4mm length, it features a cylindrical head with an internal hex drive (1.5mm Allen key required). Constructed from hardened steel or corrosion-resistant stainless steel, it operates effectively in temperatures from -50°C to +120°C. Widely used in machinery, electronics, and automotive industries, this screw offers space-saving installation and high torsional strength. Its hex socket allows concentrated torque application but requires proper tool alignment to avoid stripping. Typical surface finishes include natural, zinc-plated, or black oxide coatings for enhanced durability. The low-profile design suits confined spaces in industrial equipment, robotic systems, and precision instruments.
Parameter Specification
Thread Size M3x4
Nominal Diameter 3 mm
Length 4 mm
Head Type Cylindrical Head
Socket Type Hexagon Socket (ISO 4762)
Allen Key Size 2 mm
Material Stainless Steel A2-70 / Carbon Steel
Strength Grade ISO 4762, DIN 912
Surface Finish Plain
Thread Pitch 0.5 mm (Standard Metric)
Drive Style Hex Key Drive
Torque Resistance 0.9 Nm (Pre-assembled), 1.5 Nm (Max Installation)
question:If the product malfunctions and is found to be refurbished, how will after-sales service handle it?
answer:We offer a full refund or replacement for refurbished items confirmed to have defects. Contact support with proof for prompt resolution.
question:Why is shipping so expensive? Are there cheaper delivery options available?
answer:Costs depend on carrier rates and destination. We provide budget options like economy shipping upon request for non-urgent orders.
question:Can you share shipment photos, procurement dates, or details of similar products?
answer:Yes, upon signed NDA or formal request, we share relevant product documentation including photos and procurement records.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:If the product malfunctions and is found to be refurbished, how will after-sales service handle it?
answer:We offer a full refund or replacement for refurbished items confirmed to have defects. Contact support with proof for prompt resolution.
question:Why is shipping so expensive? Are there cheaper delivery options available?
answer:Costs depend on carrier rates and destination. We provide budget options like economy shipping upon request for non-urgent orders.
question:Can you share shipment photos, procurement dates, or details of similar products?
answer:Yes, upon signed NDA or formal request, we share relevant product documentation including photos and procurement records.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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